Tradescantia species

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Scientific Name Tradescantia gigantea USDA PLANTS Symbol
TRGI
Common Name Giant Spiderwort ITIS Taxonomic Serial No.
39162
Family Commelinaceae (Spiderwort) SEINet Reference
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Description Habitat: Limestone soils in pasturelands, woodland edges, roadsides; endemic to Central Texas.
Plant: Erect perennial with straight usually unbranched stems 8 inches to 3 feet tall with 3 to 5 nodes; lower stem mostly smooth, upper densely covered with short hairs.
Leaves: Narrow linear-lanceolate, pointed leaves 4 to 14 inches long; upper leaves densely covered with short hairs, lower mostly smooth.
Inflorescence: A few to many flowers in terminal cymes, blossoms about 1 inch across with three broad, rounded petals, usually lavender-blue to pink, rarely white; yellow anthers; blossoms subtended by leaf-like bracts up to 4 inches long with a sac-like shape at the base; bracts, sepals and pedicels covered in short, fine hairs.
Bloom Period: March to May.
References: "Wildflowers of the Texas Hill Country" by Marshell Enquist and "Manual of the Vascular Plants of Texas" by Correll and Johnston.
Texas Status
Native-
Endemic to Central Texas
Scientific Name Tradescantia humilis USDA PLANTS Symbol
TRHU
Common Name Texas Spiderwort ITIS Taxonomic Serial No.
39165
Family Commelinaceae (Spiderwort) SEINet Reference
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Description Habitat: Sandy and rocky soils of the Central and South Texas; disturbed areas, roadsides and fencerows.
Plant: Upright perennial, spreading stems, branched particularly at base; several inches tall.
Leaves: Narrow, recurved linear to lanceolate leaves 4 to 8 inches long, usually with purple-tinged edges and covered with soft, downy hairs.
Inflorescence: Blue/violet blossoms on pedicels 1/2 to 1-inch long, each blossom about 1 inch across with three broad, pointed petals, 6 stamens; with dull green bracts similar to leaf form, hairy, purple-tinged.
Blooming Period: March to June.
Reference: Descr. adapted from SEINet and Texas A&M/Uvalde
Texas Status
Native-
Endemic to Llano Uplift
Scientific Name Tradescantia pedicellata USDA PLANTS Symbol
TRPE9
Common Name Granite Spiderwort, Edwards Plateau Spiderwort ITIS Taxonomic Serial No.
505553
Family Commelinaceae (Spiderwort) eFloras.org Reference
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Description Habitat: Granitic, well-drained soils in pastures and open areas of the Llano uplift.
Plant: Upright perennial up to 12 inches tall; hairy stems branched from base.
Leaves: Long, narrow, linear to lanceolate leaves 8 to 12 inches long, with small often long hairs.
Inflorescence: Umbel of blue/violet blossoms about 1 inch across with three broad, rounded or somewhat pointed petals, 6 stamens.
Reference: Excerpts from "Rare Plants of Texas" by Poole, Carr, Price and Singhurst.
Texas Status
Native-
Endemic to Llano Uplift
Scientific Name Tradescantia subacaulis USDA PLANTS Symbol
TRSU
Common Name Stemless Spiderwort ITIS Taxonomic Serial No.
39175
Family Commelinaceae (Spiderwort) SEINet Reference
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Description Low-growing perennial with very short stem, 4 or more inches long; narrow, hairy leaves; blue/violet blossoms about 1 inch across with three broad, rounded or somewhat pointed petals. Texas Status
Native

Click here for white T. gigantea


© Tom Lebsack 2019